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This is a university-level textbook on electromagnetic fields and waves for undergraduate programs in electronic and information engineering, focusing on the basic properties of electromagnetic fields and waves, with emphasis on time-varying fields. With the rapid development of information technology, a thorough understanding of and familiarity with the properties of electromagnetic fields and waves, along with the relevant analytical tools and practical applications are expected for professionals working in the field of information technology. A course on electromagnetics is therefore an important part of the curriculum that forms the essential knowledge base for undergraduates majoring in information technology and electronic engineering.

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Preface(For English version)
Preface
Chapter 1 Vector Analysis
　1-1 Scalars and vectors
　1-2 Vector algebra
　1-3 Scalar product
　1-4 Vector product
　1-5 Directional derivative and gradient
　1-6 Flux，divergence and the divergence theorem
　1-7 Circulation，curl and Stokes’theorem
　1-8 Solenoidal and irrotational fields
　1-9 Green’S theorems
　1-10 Uniqueness theorem for vector fields
　1-11 Helmholtz’S theorem
　1-12 0rthogonal curvilinear coordinates
　Review questions
　Problems
Chapter 2 Static Electric Fields
　2-1 Field intensity，flux，and field lines
　2-2 Equations for electrostatic fields in free space
　2-3 Electric potential and equipotential surfaces
　2-4 Polarization of dielectrics
　2-5 Equations for electrostatic fields in dielectric
　2-6 Boundary conditions for dielectric interfaces
　2-7 Boundary conditions for dielectric-conductor interface
　2-8 Capacitance
　2-9 Energy in electrostatic field
2-10 Electric forces
Review questions
Problems
Chapter 3 Boundary-Value Problems in Electrostatics
3-1 Differential equations for electric potential
3-2 Uniqueness of solution of differential equations for electric potential
3-3 Method of images
　3-4　Method of separation of variables in rectangular coordinates
　3-5　Method of separation of variables in cylindrical coordinates
　3-6　Method of separation of variables in spheftcal coordinates
　Review questions
　Problems
Chapter 4 Steady Electric Current Fields
4-1 Electric current and current density
4-2 Electromotive force
4-3 Principle of electric current continuitv
4-4 Boundary conditions for steady electric current fields
4-5 Energy dissipation in steady electric current fields
4-6 Electrostatic simulation
Review questions
Problems
Chapter 5 Steady Magnetic Fields
　5-1 Flux density，flux and field lines
　5-2 Equations for steady magnetic fields in free space
　5-3 Vector and scalar magnetic potentials
　5-4 Magnetization of media
　5-5 Equations for steady magnetic fields in a medium
　5-6 Boundary conditions for steady magnetic fields
　Review questions
　Problems
Chapter 6 Electromagnetic Inducfion
6-1 Law of electromagnetic induction
6-2 Inductance
……
Chapter 7　Time-varying Electromagnetic Fields
Chapter 8 Plane Electromagnetic Waves
Chapter 9 Guided Electromagnetic Waves
Chapter 10 Electromagnetic Radiation and Principles
Appendixes
Answers
Index
References
Biographies